31454434613 has 16 divisors (see below), whose sum is σ = 36696000000. Its totient is φ = 26950328496.

The previous prime is 31454434573. The next prime is 31454434631. The reversal of 31454434613 is 31643445413.

It is a de Polignac number, because none of the positive numbers 2^k-31454434613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454434643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 926228 + ... + 959586.

It is an arithmetic number, because the mean of its divisors is an integer number (2293500000).

Almost surely, 2^31454434613 is an apocalyptic number.

It is an amenable number.

31454434613 is a deficient number, since it is larger than the sum of its proper divisors (5241565387).

31454434613 is an equidigital number, since it uses as much as digits as its factorization.

31454434613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36129 (or 36115 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The spelling of 31454434613 in words is "thirty-one billion, four hundred fifty-four million, four hundred thirty-four thousand, six hundred thirteen".